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[libgdx] Fixed physics smoothness and responsiveness.

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This commit is contained in:
Nathan Sweet 2025-05-13 12:48:59 -04:00
parent 4d2b8e3399
commit ab1b82c873
1 changed files with 5 additions and 4 deletions
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9
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PhysicsConstraint.java
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@ -110,7 +110,7 @@ public class PhysicsConstraint extends Constraint<PhysicsConstraint, PhysicsCons
reset(skeleton); reset(skeleton);
// Fall through. // Fall through.
case update: case update:
float delta = Math.max(skeleton.time - lastTime, 0); float delta = Math.max(skeleton.time - lastTime, 0), aa = remaining;
remaining += delta; remaining += delta;
lastTime = skeleton.time; lastTime = skeleton.time;
@ -171,9 +171,10 @@ public class PhysicsConstraint extends Constraint<PhysicsConstraint, PhysicsCons
a = remaining; a = remaining;
if (rotateOrShearX) { if (rotateOrShearX) {
mr = (data.rotate + data.shearX) * mix; mr = (data.rotate + data.shearX) * mix;
float rz = rotateLag * Math.max(0, 1 - a / t), r = atan2(dy + ty, dx + tx) - ca - (rotateOffset - rz) * mr; z = rotateLag * Math.max(0, 1 - aa / t);
float r = atan2(dy + ty, dx + tx) - ca - (rotateOffset - z) * mr;
rotateOffset += (r - (float)Math.ceil(r * invPI2 - 0.5f) * PI2) * i; rotateOffset += (r - (float)Math.ceil(r * invPI2 - 0.5f) * PI2) * i;
r = (rotateOffset - rz) * mr + ca; r = (rotateOffset - z) * mr + ca;
c = cos(r); c = cos(r);
s = sin(r); s = sin(r);
if (scaleX) { if (scaleX) {
@ -183,7 +184,7 @@ public class PhysicsConstraint extends Constraint<PhysicsConstraint, PhysicsCons
} else { } else {
c = cos(ca); c = cos(ca);
s = sin(ca); s = sin(ca);
float r = l * bone.getWorldScaleX(); float r = l * bone.getWorldScaleX() - scaleLag * Math.max(0, 1 - aa / t);
if (r > 0) scaleOffset += (dx * c + dy * s) * i / r; if (r > 0) scaleOffset += (dx * c + dy * s) * i / r;
} }
if (a >= t) { if (a >= t) {